swc/crates/swc_ecma_parser/tests/tsc/assignmentCompatWithGenericCallSignatures2.ts

// some complex cases of assignment compat of generic signatures. No contextual signature instantiation

interface A {
    <T>(x: T, ...y: T[][]): void
}

interface B {
    <S>(x: S, ...y: S[]): void
}

var a: A;
var b: B;

// Both errors
a = b;
b = a;